Emission Line Spectrum of hydrogen . Line-emission spectrum synonyms, Line-emission spectrum pronunciation, Line-emission spectrum translation, English dictionary definition of Line-emission spectrum. an X-ray line spectrum that results from electron transitions from outer orbits to inner shells in an atom. Noun. A spectrum is a set of wavelengths that is characteristic of electromagnetic radiation which is emitted or absorbed by a particular object, substance, atom or a molecule. A spectrum in which energy is concentrated at particular wavelengths; produced by excited atoms and ions as they fall back to a lower energy level. This is true for any kind of spectrum, not just the telecom spectrum. What wavelengths appear in the system's emission spectrum (in nanometers)? How to use spectrum in a sentence. A spectrum is defined as the characteristic wavelengths of electromagnetic radiation (or a portion thereof) that is emitted or absorbed by an object or … This emission occurs when an atom, element or molecule in an excited state returns to a configuration of lower energy. Definition of Line spectrum. line spectrum: 1 n a spectrum in which energy is concentrated at particular wavelengths; produced by excited atoms and ions as they fall back to a lower energy level Type of: spectrum an ordered array of the components of an emission or wave When an electric current passes through a gas, it gives energy to the gas. Atomic spectrum definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Definition of Spectrum Before we discuss the emission spectrum definition, let us address the questions - what is a spectrum in chemistry and what is a spectrum in physics. The production of line spectra by the atoms of an element indicate that an atom can radiate only a certain amount of energy. line spectrum definition in English dictionary, line spectrum meaning, synonyms, see also 'line',line',line',line'. Each element has its own particular spectrum by which it may be identified. Dictionary entry overview: What does line spectrum mean? BSL Physics Glossary - line emission spectrum - definition. For observing the absorption spectrum, electromagnetic radiations are bombarded on a sample which absorbs radiation of certain wavelengths. Line spectrum definition: a spectrum that consists of narrow , brightly colored , parallel lines on a dark... | Meaning, pronunciation, translations and examples Definition of Line spectrum. Emission spectra or line spectra - definition The spectrum of bright lines, bands, or continuous radiation characteristic of and determined by a specific emitting substance subjected to a specific kind of excitation is called as spectra. The colours of the rainbow, microwaves, ultraviolet radiation and x-ray are some examples. Learn more. Probably. Dataset: VizieR catalogue III /219, Spectral Library of Galaxies , Clusters and Stars (Santos et al. This line spectrum is called an atomic spectrum when it originates from an atom in elemental form. . Main Difference – Continuous Spectrum vs Line Spectrum. Spectrum, in optics, the arrangement according to wavelength of visible, ultraviolet, and infrared light.An instrument designed for visual observation of spectra is called a spectroscope; an instrument that photographs or maps spectra is a spectrograph.Spectra may be classified according to the nature of their origin, i.e., emission or absorption. Each line in the emission spectrum corresponds to an electron moving from a higher energy level to a lower energy level. Look it up now! Noun 1. Studying the line spectra produced by hot gases and absorbed by cooler gases allows us to identify the elements in stars. 1. a spectrum in which energy is concentrated at particular wavelengths; produced by excited atoms and ions as they fall back to a lower energy level Familiarity information: LINE SPECTRUM used as a noun is very rare. The wavelengths of characteristic line spectra range from 10 –2 to 50 nm and, in accordance with Moseley’s law, depend on the atomic number of the element. Define line spectrum. Absorption Line Spectrum. Services not available in all areas. Dark-line spectrum definition is - a line spectrum produced by the passage of white light through an ionized gas or vapor. 1. When the spectrum appears as a series of lines, which are separated by black spaces, it is called a line spectrum. For example, the line at 656 nm corresponds to the transition n = 3 n = 2. Each element has its unique line emission spectrum. The spectrum appears in a series of lines called the line spectrum. An emission line will appear in a spectrum if the source emits specific wavelengths of radiation. A spectrum is simply a chart or a graph that shows the intensity of light being emitted over a range of energies. Each element has a different atomic spectrum. To do this it emits photon of light the energy of the photon of light is equal to the difference in the energy of the two energy levels. line spectrum synonyms, line spectrum pronunciation, line spectrum translation, English dictionary definition of line spectrum. Channels, Tiers and Packaging subject to change. Enrich your vocabulary with the English Definition dictionary Line spectrum on the other hand only contains a few lines (wavelengths). line spectrum - WordReference English dictionary, questions, discussion and forums. 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